html { scroll-behavior: smooth; }

.help-page { background: #f4f7f5; }

.help-main { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 88px; }

.help-intro { max-width: 790px; margin-bottom: 54px; }

.help-intro h1 {
  margin: 0;
  color: var(--green-950);
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.055em;
}

.help-intro > p:last-child { max-width: 730px; margin: 22px 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.75; }

.help-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px; align-items: start; }

.help-toc {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  display: grid;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.82);
}

.help-toc strong { margin-bottom: 10px; color: var(--green-950); }

.help-toc a { padding: 7px 2px; color: var(--muted); font-size: .86rem; text-decoration: none; }

.help-toc a:hover,
.help-toc a:focus-visible { color: var(--green-800); text-decoration: underline; text-underline-offset: 4px; }

.help-content { min-width: 0; }

.help-section { padding: 0 0 54px; margin: 0 0 54px; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 22px); }

.help-section h2 { max-width: 760px; margin: 0 0 18px; color: var(--green-950); font-size: clamp(1.55rem, 3vw, 2.35rem); letter-spacing: -.035em; }

.help-section p,
.help-section li { color: var(--muted); line-height: 1.72; }

.help-section ol { padding-left: 22px; }

.help-section li + li { margin-top: 8px; }

.note { margin-top: 22px; padding: 16px 18px; border-left: 4px solid #d7a241; border-radius: 0 10px 10px 0; color: var(--muted); background: #fffaf0; line-height: 1.6; }

.term-grid,
.profile-grid,
.tutorial-grid { display: grid; gap: 14px; margin-top: 24px; }

.term-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.profile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tutorial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.term-grid article,
.profile-grid article,
.tutorial-grid article { padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }

.term-grid strong,
.term-grid span,
.profile-grid strong,
.profile-grid span { display: block; }

.term-grid strong,
.profile-grid strong { color: var(--green-900); }

.term-grid span,
.profile-grid span { margin-top: 5px; color: var(--muted); font-size: .9rem; line-height: 1.5; }

.tutorial-grid article { position: relative; min-height: 170px; border-style: dashed; }

.tutorial-grid article > span { display: inline-block; color: var(--green-800); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.tutorial-grid h3 { margin: 22px 0 8px; color: var(--green-950); }

.tutorial-grid p { margin: 0; font-size: .92rem; }

.about-section { padding: 36px; border: 0; border-radius: 18px; color: #fff; background: var(--green-950); }

.about-section h2 { color: #fff; }
.about-section p { color: rgba(255,255,255,.72); }
.about-section .step-kicker { color: var(--accent); }

.help-footer { display: flex; justify-content: space-between; padding: 22px max(20px, calc((100% - 1180px) / 2)); color: rgba(255,255,255,.72); background: var(--green-950); font-size: .86rem; }

.help-footer a { color: #fff; }

@media (max-width: 860px) {
  .help-main { width: min(100% - 28px, 760px); padding-top: 42px; }
  .help-layout { grid-template-columns: 1fr; gap: 32px; }
  .help-toc { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .help-toc strong { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .help-main { width: min(100% - 22px, 520px); }
  .help-toc,
  .term-grid,
  .profile-grid,
  .tutorial-grid { grid-template-columns: 1fr; }
  .about-section { padding: 24px; }
}